SHAPED STRIP MANUFACTURING METHOD Russian patent published in 1994 - IPC

FIELD: production of U-shaped and L-shaped strips. SUBSTANCE: method involves preparing surfaces of source materials and conducting roller welding; obtaining required shape of strip by bending strip edges till coated surfaces are brought in contact, with width of bent portion of strip being equal to that of thickened portion of ready profile. When L-shaped profile is manufactured, U-shaped profile is initially produced with subsequent rolling and longitudinal cutting of profile. Rolling of shaped billets is carried out pack rolling method. EFFECT: increased quality of strip by steady position of components and reduced consumption of metal. 2 cl, 7 dwg